static int network_initialization(void)
{
/* Initialize and start Contiki uIP stack */
clock_init();
rtimer_init();
ctimer_init();
process_init();
tcpip_set_outputfunc(net_tcpip_output);
process_start(&tcpip_process, NULL);
process_start(&simple_udp_process, NULL);
process_start(&etimer_process, NULL);
slip_start();
return 0;
}
int main()
{
fd_set rfds, wfds, readfds, writefds;
int n;
struct buf stdinbuf, stdoutbuf;
slipconn sc;
sig_setup();
login(&sc);
setuid(0); /* set real uid to 0 for some ifconfig's */
slip_start(&sc);
FD_ZERO(&rfds);
FD_SET(sc.masterfd, &rfds);
FD_SET(0, &rfds);
FD_ZERO(&wfds);
while (go) {
readfds = rfds;
writefds = wfds;
n = select(sc.masterfd+1, &readfds, &writefds, 0, 0);
if (n > 0) {
if (FD_ISSET(0, &readfds)) {
bufread(&sc, 0, &stdinbuf);
if (stdinbuf.len == 0) {
/* eof on stdin */
slip_stop(&sc);
exit(0);
}
if (stdinbuf.len) {
FD_SET(sc.masterfd, &wfds);
FD_CLR(0, &rfds);
}
}
if (FD_ISSET(sc.masterfd, &readfds)) {
bufread(&sc, sc.masterfd, &stdoutbuf);
if (stdoutbuf.len) {
FD_SET(1, &wfds);
FD_CLR(sc.masterfd, &rfds);
}
}
if (FD_ISSET(sc.masterfd, &writefds)) {
bufwrite(&sc, sc.masterfd, &stdinbuf);
if (stdinbuf.len == 0) {
FD_SET(0, &rfds);
FD_CLR(sc.masterfd, &wfds);
}
}
if (FD_ISSET(1, &writefds)) {
bufwrite(&sc, 1, &stdoutbuf);
if (stdoutbuf.len == 0) {
FD_SET(sc.masterfd, &rfds);
FD_CLR(1, &wfds);
}
}
}
}
slip_stop(&sc);
return 0;
}
